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Other (Income) Expense (Components of Other Nonoperating (Income) Expense) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 27, 2014
Sep. 28, 2013
Sep. 27, 2014
Sep. 28, 2013
Other (income) expense, net:        
Earnings from equity investments $ (23) $ 0 $ (67) $ 0
Miscellaneous (income) expense 0 3 7 21
Other (income) expense, net $ (23) $ 3 $ (60) $ 21